1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * (C) Copyright 2002 4 * Richard Jones, rjones (at) nexus-tech.net 5 */ 6 7 /* 8 * Boot support 9 */ 10 #include <common.h> 11 #include <command.h> 12 #include <s_record.h> 13 #include <net.h> 14 #include <ata.h> 15 #include <asm/io.h> 16 #include <mapmem.h> 17 #include <part.h> 18 #include <fat.h> 19 #include <fs.h> 20 21 int do_fat_size(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 22 { 23 return do_size(cmdtp, flag, argc, argv, FS_TYPE_FAT); 24 } 25 26 U_BOOT_CMD( 27 fatsize, 4, 0, do_fat_size, 28 "determine a file's size", 29 "<interface> <dev[:part]> <filename>\n" 30 " - Find file 'filename' from 'dev' on 'interface'\n" 31 " and determine its size." 32 ); 33 34 int do_fat_fsload (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 35 { 36 return do_load(cmdtp, flag, argc, argv, FS_TYPE_FAT); 37 } 38 39 40 U_BOOT_CMD( 41 fatload, 7, 0, do_fat_fsload, 42 "load binary file from a dos filesystem", 43 "<interface> [<dev[:part]> [<addr> [<filename> [bytes [pos]]]]]\n" 44 " - Load binary file 'filename' from 'dev' on 'interface'\n" 45 " to address 'addr' from dos filesystem.\n" 46 " 'pos' gives the file position to start loading from.\n" 47 " If 'pos' is omitted, 0 is used. 'pos' requires 'bytes'.\n" 48 " 'bytes' gives the size to load. If 'bytes' is 0 or omitted,\n" 49 " the load stops on end of file.\n" 50 " If either 'pos' or 'bytes' are not aligned to\n" 51 " ARCH_DMA_MINALIGN then a misaligned buffer warning will\n" 52 " be printed and performance will suffer for the load." 53 ); 54 55 static int do_fat_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 56 { 57 return do_ls(cmdtp, flag, argc, argv, FS_TYPE_FAT); 58 } 59 60 U_BOOT_CMD( 61 fatls, 4, 1, do_fat_ls, 62 "list files in a directory (default /)", 63 "<interface> [<dev[:part]>] [directory]\n" 64 " - list files from 'dev' on 'interface' in a 'directory'" 65 ); 66 67 static int do_fat_fsinfo(cmd_tbl_t *cmdtp, int flag, int argc, 68 char * const argv[]) 69 { 70 int dev, part; 71 struct blk_desc *dev_desc; 72 disk_partition_t info; 73 74 if (argc < 2) { 75 printf("usage: fatinfo <interface> [<dev[:part]>]\n"); 76 return 0; 77 } 78 79 part = blk_get_device_part_str(argv[1], argv[2], &dev_desc, &info, 1); 80 if (part < 0) 81 return 1; 82 83 dev = dev_desc->devnum; 84 if (fat_set_blk_dev(dev_desc, &info) != 0) { 85 printf("\n** Unable to use %s %d:%d for fatinfo **\n", 86 argv[1], dev, part); 87 return 1; 88 } 89 return file_fat_detectfs(); 90 } 91 92 U_BOOT_CMD( 93 fatinfo, 3, 1, do_fat_fsinfo, 94 "print information about filesystem", 95 "<interface> [<dev[:part]>]\n" 96 " - print information about filesystem from 'dev' on 'interface'" 97 ); 98 99 #ifdef CONFIG_FAT_WRITE 100 static int do_fat_fswrite(cmd_tbl_t *cmdtp, int flag, 101 int argc, char * const argv[]) 102 { 103 loff_t size; 104 int ret; 105 unsigned long addr; 106 unsigned long count; 107 struct blk_desc *dev_desc = NULL; 108 disk_partition_t info; 109 int dev = 0; 110 int part = 1; 111 void *buf; 112 113 if (argc < 5) 114 return cmd_usage(cmdtp); 115 116 part = blk_get_device_part_str(argv[1], argv[2], &dev_desc, &info, 1); 117 if (part < 0) 118 return 1; 119 120 dev = dev_desc->devnum; 121 122 if (fat_set_blk_dev(dev_desc, &info) != 0) { 123 printf("\n** Unable to use %s %d:%d for fatwrite **\n", 124 argv[1], dev, part); 125 return 1; 126 } 127 addr = simple_strtoul(argv[3], NULL, 16); 128 count = (argc <= 5) ? 0 : simple_strtoul(argv[5], NULL, 16); 129 130 buf = map_sysmem(addr, count); 131 ret = file_fat_write(argv[4], buf, 0, count, &size); 132 unmap_sysmem(buf); 133 if (ret < 0) { 134 printf("\n** Unable to write \"%s\" from %s %d:%d **\n", 135 argv[4], argv[1], dev, part); 136 return 1; 137 } 138 139 printf("%llu bytes written\n", size); 140 141 return 0; 142 } 143 144 U_BOOT_CMD( 145 fatwrite, 6, 0, do_fat_fswrite, 146 "write file into a dos filesystem", 147 "<interface> <dev[:part]> <addr> <filename> [<bytes>]\n" 148 " - write file 'filename' from the address 'addr' in RAM\n" 149 " to 'dev' on 'interface'" 150 ); 151 #endif 152
